package com.csailing4cloud.csailing.common.redis.component;

import com.csailing4cloud.csailing.common.redis.constants.RedisExcuteScriptConstant;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.connection.ReturnType;
import org.springframework.data.redis.core.*;

import java.io.Serializable;
import java.util.Date;
import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;

/**
 * redis服务类
 * @author dyh
 */
public class RedisService {

    @Autowired
    private RedisTemplate redisTemplate;
    /**
     * 写入缓存
     * @param key
     * @param value
     * @return
     */
    public boolean set(final String key, Object value) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }
    /**
     * 写入缓存设置时效时间
     * @param key
     * @param value
     * @return
     */
    public boolean set(final String key, Object value, Long expireTime) {
        boolean result = false;
        try {
            ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
            operations.set(key, value);
            redisTemplate.expire(key, expireTime, TimeUnit.SECONDS);
            result = true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }
    /**
     * 批量删除对应的value
     * @param keys
     */
    public void remove(final String... keys) {
        for (String key : keys) {
            remove(key);
        }
    }

    /**
     * 批量删除key
     * @param pattern
     */
    public void removePattern(final String pattern) {
        Set<Serializable> keys = redisTemplate.keys(pattern);
        if (keys.size() > 0) {
            redisTemplate.delete(keys);
        }
    }
    /**
     * 删除对应的value
     * @param key
     */
    public void remove(final String key) {
        if (exists(key)) {
            redisTemplate.delete(key);
        }
    }
    /**
     * 判断缓存中是否有对应的value
     * @param key
     * @return
     */
    public boolean exists(final String key) {
        return redisTemplate.hasKey(key);
    }
    /**
     * 读取缓存
     * @param key
     * @return
     */
    public Object get(final String key) {
        Object result = null;
        ValueOperations<Serializable, Object> operations = redisTemplate.opsForValue();
        result = operations.get(key);
        return result;
    }
    /**
     * 哈希 添加
     * @param key
     * @param hashKey
     * @param value
     */
    public void hmSet(String key, Object hashKey, Object value){
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        hash.put(key,hashKey,value);
    }

    /**
     * 哈希获取数据
     * @param key
     * @param hashKey
     * @return
     */
    public Object hmGet(String key, Object hashKey){
        HashOperations<String, Object, Object> hash = redisTemplate.opsForHash();
        return hash.get(key,hashKey);
    }

    /**
     * 列表添加
     * @param k
     * @param v
     */
    public void lPush(String k,Object v){
        ListOperations<String, Object> list = redisTemplate.opsForList();
        list.rightPush(k,v);
    }

    /**
     * 列表获取
     * @param k
     * @param l
     * @param l1
     * @return
     */
    public List<Object> lRange(String k, long l, long l1){
        ListOperations<String, Object> list = redisTemplate.opsForList();
        return list.range(k,l,l1);
    }

    /**
     * 集合添加
     * @param key
     * @param value
     */
    public void add(String key,Object value){
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        set.add(key,value);
    }

    /**
     * 集合获取
     * @param key
     * @return
     */
    public Set<Object> setMembers(String key){
        SetOperations<String, Object> set = redisTemplate.opsForSet();
        return set.members(key);
    }

    /**
     * 有序集合添加
     * @param key
     * @param value
     * @param scoure
     */
    public void zAdd(String key,Object value,double scoure){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        zset.add(key,value,scoure);
    }

    /**
     * 有序集合获取
     * @param key
     * @param scoure
     * @param scoure1
     * @return
     */
    public Set<Object> rangeByScore(String key,double scoure,double scoure1){
        ZSetOperations<String, Object> zset = redisTemplate.opsForZSet();
        return zset.rangeByScore(key, scoure, scoure1);
    }

    public boolean setnx(String key, String value) {
        return redisTemplate.opsForValue().setIfAbsent(key, value);
    }

    public boolean setnx(String key, String value, long liveTime) {
        return redisTemplate.opsForValue().setIfAbsent(key, value,liveTime,TimeUnit.SECONDS);
    }

    public boolean setnx(String key, String value, long liveTime,TimeUnit timeUnit) {
        return redisTemplate.opsForValue().setIfAbsent(key, value,liveTime,timeUnit);
    }

    public long incr(final String key) {
        return redisTemplate.boundValueOps(key).increment(1);
    }

    public long incrBy(final String key, final long len) {
        return redisTemplate.boundValueOps(key).increment(len);
    }

    public boolean expire(final String key, final long seconds) {
        return redisTemplate.expire(key, seconds, TimeUnit.SECONDS);
    }

    public boolean expire(final String key, final long timeout,TimeUnit timeUnit) {
        return redisTemplate.expire(key, timeout, timeUnit);
    }

    public boolean expireAt(final String key, final Date date) {
        return redisTemplate.expireAt(key,date);
    }

    public Long getExpire(String key) {
        return redisTemplate.getExpire(key);
    }

    /**
     * 加锁
     * @param key
     * @param value
     * @param liveTime
     * @param timeUnit
     * @return
     */
    public boolean lock(String key,String value,long liveTime,TimeUnit timeUnit) {
        String lock = key;
        boolean acquire = setnx(lock,value,liveTime,timeUnit);
        if (acquire) {
            return true;
        }
        Long expire = getExpire(lock);
        if (expire == null || expire == -1L) {
            /*如果没有过期时间*/
            releaseLock(lock,value);
            return true;
        }
        return false;
    }

    /**
     * 释放锁
     * @param lock
     * @param value
     * @return
     */
    public boolean releaseLock(String lock,String value){
        return (Boolean) redisTemplate.execute((RedisCallback) connection -> {
            Boolean result = connection.eval(RedisExcuteScriptConstant.LUA_RELEASE_LOCK_SCRIPT.getBytes(), ReturnType.BOOLEAN, 1, lock.getBytes(), value.getBytes());
            return result;
        });
    }

    /**
     * 释放锁
     * @param lock
     */
    public void releaseLock(String lock){
        remove(lock);
    }



}
